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Kinematic Graphing Quiz

(2000-2001)

 

1. If an object is moving in the positive direction and slowing down, then its velocity is ____________ and its acceleration is ____________.

a. positive, positive

b. positive, negative

c. negative, negative

d. negative, positive

e. positive, zero

f. negative, zero

2. The motions of five objects - A, B, C, D, and E - are represented by lines on a velocity-time graph. Write the letter(s) for any object which has a positive (and non-zero) velocity. If there is more than one answer, then list all that apply.

3. Consider this position-time graph. Various time intervals are depicted by a letter. During which time interval(s) is the object accelerating? List all that apply.

4. The motions of five objects - A, B, C, D, and E - are represented by lines on a velocity-time graph. Write the letter(s) for any object which is speeding up. List all that apply.

5. On the graphs below, draw two lines/curves to represent the given verbal descriptions; clearly label the lines/curves as A or B. Be sure to read axes before sketching the lines.

A Moving at constant speed

B Accelerating

A Speeding up

B Slowing down

A Moving in + direction

B Moving in - direction

A Moving at constant speed

B At rest

A Moving with + velocity

B Moving with - velocity

A Moving with + accel'n

B Moving with - accel'n

ave. speed = distance/time
ve vel. = displacement/time
ave. accel'n = change velocity/time

6. Use the velocity-time graphs below to determine the acceleration of the object. PSYW
 

PSYW:

PSYW:

7. Use the velocity-time graphs below to determine the displacement of the object. PSYW 
PSYW:

PSYW:

8. Rex Things drops his mother's glass vase from their 26th story apartment. Velocity-time data for the falling vase are shown in the data table at the near right.

a. Determine the acceleration value of the vase. PSYW

b. Sketch an oil drop representation of the motion in the space at the far right.

c. Sketch the general shape of the pos-time and the vel-time graphs (below).

Time (s)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0

Velocity (m/s)
0.0
-5.0
-10.0
-15.0
-20.0
-25.0
-30.0
-35.0
-40.0

 

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Last updated on 9/2/04.